@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

:root {
    --primary-color: #0a0a0a; /* Preto profundo para o fundo */
    --secondary-color: #1a1a1a; /* Cinza escuro para elementos de fundo secundários */
    --accent-color: #00ffcc; /* Verde-água vibrante para destaque e interatividade */
    --text-color: #f0f0f0; /* Branco suave para texto principal */
    --text-secondary-color: #a0a0a0; /* Cinza claro para texto secundário */
    --card-bg: #1f1f1f; /* Fundo dos cards */
    --shadow-color: rgba(0, 255, 204, 0.1); /* Sombra com a cor de destaque */
    --glow-color: rgba(0, 255, 204, 0.4); /* Brilho para elementos interativos */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://www.transparenttextures.com/patterns/subtle-carbon.png');
}

header {
    background-color: var(--secondary-color);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    text-transform: uppercase;
}

.logo-img {
    width: 150px;
    height: auto;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--glow-color);
}

main {
    padding-top: 80px; /* Altura do header */
}

section {
    padding: 4rem 5%;
    border-bottom: 1px solid var(--secondary-color);
}

#home {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.7), var(--primary-color)), url('https://images.unsplash.com/photo-1510915228340-29c85a43dcfe?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--glow-color);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
    background-color: #00ff99; /* Um pouco mais claro no hover */
    box-shadow: 0 0 15px var(--glow-color), 0 0 25px var(--shadow-color);
    transform: translateY(-3px);
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--glow-color);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

#fabricantes {
    background-color: var(--secondary-color);
}

.fabricantes-container, .nuvens-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.fabricantes-container img, .nuvens-container img {
    max-height: 60px;
    filter: grayscale(100%) brightness(150%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.fabricantes-container img:hover, .nuvens-container img:hover {
    filter: none;
    transform: scale(1.1);
}

#sobre p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary-color);
}

#contato form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

#contato input, #contato textarea {
    background-color: var(--secondary-color);
    border: 1px solid var(--card-bg);
    padding: 0.8rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
}

#contato input:focus, #contato textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--shadow-color);
}

#contato button {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#contato button:hover {
    background-color: #00ff99;
    box-shadow: 0 0 15px var(--glow-color);
}

footer {
    text-align: center;
    padding: 2rem 5%;
    background-color: var(--secondary-color);
    color: var(--text-secondary-color);
}

/* Responsividade */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }

    nav ul {
        padding-top: 1rem;
    }

    nav ul li {
        margin: 0 0.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    main {
        padding-top: 120px; /* Ajuste para header maior */
    }
}